/
test-handle-wrap-isrefed.js
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/
test-handle-wrap-isrefed.js
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// Flags: --expose-internals
'use strict';
const common = require('../common');
const strictEqual = require('assert').strictEqual;
const { internalBinding } = require('internal/test/binding');
// child_process
{
const spawn = require('child_process').spawn;
const cmd = common.isWindows ? 'rundll32' : 'ls';
const cp = spawn(cmd);
strictEqual(cp._handle.hasRef(),
true, 'process_wrap: not initially refed');
cp.unref();
strictEqual(cp._handle.hasRef(),
false, 'process_wrap: unref() ineffective');
cp.ref();
strictEqual(cp._handle.hasRef(),
true, 'process_wrap: ref() ineffective');
cp._handle.close(common.mustCall(() =>
strictEqual(cp._handle.hasRef(),
false, 'process_wrap: not unrefed on close')));
}
const dgram = require('dgram');
const { kStateSymbol } = require('internal/dgram');
// dgram ipv4
{
const sock4 = dgram.createSocket('udp4');
const handle = sock4[kStateSymbol].handle;
strictEqual(handle.hasRef(),
true, 'udp_wrap: ipv4: not initially refed');
sock4.unref();
strictEqual(handle.hasRef(),
false, 'udp_wrap: ipv4: unref() ineffective');
sock4.ref();
strictEqual(handle.hasRef(),
true, 'udp_wrap: ipv4: ref() ineffective');
handle.close(common.mustCall(() =>
strictEqual(handle.hasRef(),
false, 'udp_wrap: ipv4: not unrefed on close')));
}
// dgram ipv6
{
const sock6 = dgram.createSocket('udp6');
const handle = sock6[kStateSymbol].handle;
strictEqual(handle.hasRef(),
true, 'udp_wrap: ipv6: not initially refed');
sock6.unref();
strictEqual(handle.hasRef(),
false, 'udp_wrap: ipv6: unref() ineffective');
sock6.ref();
strictEqual(handle.hasRef(),
true, 'udp_wrap: ipv6: ref() ineffective');
handle.close(common.mustCall(() =>
strictEqual(handle.hasRef(),
false, 'udp_wrap: ipv6: not unrefed on close')));
}
// pipe
{
const { Pipe, constants: PipeConstants } = internalBinding('pipe_wrap');
const handle = new Pipe(PipeConstants.SOCKET);
strictEqual(handle.hasRef(),
true, 'pipe_wrap: not initially refed');
handle.unref();
strictEqual(handle.hasRef(),
false, 'pipe_wrap: unref() ineffective');
handle.ref();
strictEqual(handle.hasRef(),
true, 'pipe_wrap: ref() ineffective');
handle.close(common.mustCall(() =>
strictEqual(handle.hasRef(),
false, 'pipe_wrap: not unrefed on close')));
}
// tcp
{
const net = require('net');
const server = net.createServer(() => {}).listen(0);
strictEqual(server._handle.hasRef(),
true, 'tcp_wrap: not initially refed');
strictEqual(server._unref,
false, 'tcp_wrap: _unref initially incorrect');
server.unref();
strictEqual(server._handle.hasRef(),
false, 'tcp_wrap: unref() ineffective');
strictEqual(server._unref,
true, 'tcp_wrap: _unref not updated on unref()');
server.ref();
strictEqual(server._handle.hasRef(),
true, 'tcp_wrap: ref() ineffective');
strictEqual(server._unref,
false, 'tcp_wrap: _unref not updated on ref()');
server._handle.close(common.mustCall(() =>
strictEqual(server._handle.hasRef(),
false, 'tcp_wrap: not unrefed on close')));
}
// timers
{
strictEqual(process.getActiveResourcesInfo().filter(
(type) => type === 'Timeout').length, 0);
const timeout = setTimeout(() => {}, 500);
strictEqual(process.getActiveResourcesInfo().filter(
(type) => type === 'Timeout').length, 1);
timeout.unref();
strictEqual(process.getActiveResourcesInfo().filter(
(type) => type === 'Timeout').length, 0);
timeout.ref();
strictEqual(process.getActiveResourcesInfo().filter(
(type) => type === 'Timeout').length, 1);
strictEqual(process.getActiveResourcesInfo().filter(
(type) => type === 'Immediate').length, 0);
const immediate = setImmediate(() => {});
strictEqual(process.getActiveResourcesInfo().filter(
(type) => type === 'Immediate').length, 1);
immediate.unref();
strictEqual(process.getActiveResourcesInfo().filter(
(type) => type === 'Immediate').length, 0);
immediate.ref();
strictEqual(process.getActiveResourcesInfo().filter(
(type) => type === 'Immediate').length, 1);
}
// See also test/pseudo-tty/test-handle-wrap-isrefed-tty.js